A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. see also cap, vent, fuel storage tank. excludes ventalator (as modified).
Classification: Pressure-reducing valves, pneumatic fluid power type, filter-regulators and filter-regulator-lubricators
NSN 6105-00-248-5772
NSN 4140-01-067-0533
NSN 5945-01-019-5538
NSN 5855-01-333-9606
NSN 6685-00-959-6767
NSN 5855-00-821-7512
NSN 5910-01-626-8355
NSN 6130-01-512-9065
NSN 5975-01-306-2350
NSN 6105-00-167-7576
NSN 6150-01-531-3017
NSN 6320-01-088-1109